Intgeresting. I just checked my logs, and for the period between
2011-11-18 08:50:04 and 2011-11-20 12:20:04, my test bed was getting
much further before hitting the 2-hour time limit. In fact, I was
getting close to the end of the tests (into the util/ tests).

Then between 2011-11-20 12:20:04 and 2011-11-20 18:20:05 the timeout
started to occur in the modules/t_modctl test, and has consistently
failed at the same point since. During this 6-hour window, only the
following 22 files were changed: